"Miley Cyrus performs with Madonna for MTV Tuesday Jan. 28, 2014. The 21-year-old pop star and the 55-year-old Queen of Pop grinded and grabbed each other as they performed Cyrus' hit ""We Can't Stop"" and Madonna's 2000 track ""Don't Tell Me""  Tuesday during a taping in Hollywood. The ""MTV Unplugged"" special that closes with the duet is set to air Wednesday. (AP Photo/Sandy M. Cohen)"
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